JP2009295577A - Light-emitting diode light source module - Google Patents

Light-emitting diode light source module Download PDF

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JP2009295577A
JP2009295577A JP2009117211A JP2009117211A JP2009295577A JP 2009295577 A JP2009295577 A JP 2009295577A JP 2009117211 A JP2009117211 A JP 2009117211A JP 2009117211 A JP2009117211 A JP 2009117211A JP 2009295577 A JP2009295577 A JP 2009295577A
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light
emitting diode
strip
light emitting
light guide
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JP4960406B2 (en
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威宏 ▲呉▼
Wei Hung Wu
Chia-Chen Chang
家誠 張
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Advanced Optoelectronic Technology Inc
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Advanced Optoelectronic Technology Inc
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0091—Reflectors for light sources using total internal reflection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Abstract

<P>PROBLEM TO BE SOLVED: To provide a light-emitting-diode light source module economically and efficiently obtaining a side-face irradiating light source. <P>SOLUTION: The light-emitting-diode light source module includes an array-type light-emitting member and a strip-type light guide structure. The array-type light-emitting member includes a plurality of light-emitting-diode (LED) light sources emitting light in a front direction, the plurality of light sources arranged in an array type. The strip-type light guide structure is provided at either side of the array-type light-emitting member, and includes a first curved surface and a second curved surface each of which is concaved from either side of the array-type light-emitting member toward a center site of the member, the curved surfaces are jointed with each other above the center site of the member, and are in contact with a flat face with an optical axis of the front direction of the array-type light-emitting member with a constant angle at the joining site. The definition of the optical axis of the front direction is to be a direction perpendicular to a flat face with the light-emitting diode. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は発光ダイオード光源モジュールに関し、特に、ストリップ式の側面方向に発光する発光ダイオード光源モジュールに関するものである。   The present invention relates to a light-emitting diode light source module, and more particularly to a light-emitting diode light source module that emits light in a strip-type side surface direction.

発光ダイオード（ｌｉｇｈｔ ｅｍｉｔｔｉｎｇ ｄｉｏｄｅ、ＬＥＤ）は消費電力が小さい、効率が高い、寿命が長いなどの特性があり、また水銀汚染などの環境保護問題がなく、各種平面ディスプレイのバックライト光源として応用され、優れた色彩表現を得ることができるため、発光ダイオードのディスプレイにおける応用が近年非常に重視され、研究が進められている。   Light emitting diodes (LEDs) have characteristics such as low power consumption, high efficiency, and long life, and are free from environmental protection problems such as mercury pollution, and are applied as backlight light sources for various flat displays. Since excellent color expression can be obtained, the application of light-emitting diodes in displays has been greatly emphasized in recent years, and research is being advanced.

バックライトモジュールの主な形態は、光源位置から述べると、側面照射式と直下式の構造に分けることができる。従来の液晶ディスプレイ応用製品は主にノートブック型コンピュータや液晶モニタなどがあるが、そのバックライトモジュールの特性需要は主に軽量、小型、薄型という点にあり、側面照射式の構造はこの需要を満たすことができる。しかしながら、液晶テレビ用の超大型バックライト光源の開発において、考慮が必要なのは、十分な表示輝度、広い視野角、鮮明な映像コントラスト、比較的長い使用寿命を備えていなければならないという点であり、上述の考慮に鑑みて、直下式の構造が大型液晶ディスプレイ技術の主流として用いられている。   The main form of the backlight module can be divided into a side illumination type structure and a direct type structure in terms of the light source position. Conventional LCD application products mainly include notebook computers and LCD monitors, but the demand for the characteristics of backlight modules is mainly light, small, and thin. Can be satisfied. However, in the development of an ultra-large backlight light source for LCD TVs, it is necessary to consider that it must have sufficient display brightness, wide viewing angle, clear image contrast, and a relatively long service life. In view of the above considerations, direct structures are used as the mainstream in large liquid crystal display technology.

図１Ａに示すように、米国特許第６６７９６２１号は発光ダイオードに側面光源を発生させるレンズの構造を提示しており、複数のレンズを装備した発光ダイオードを排列して液晶ディスプレイのバックライト光源とし、従来のＣＣＦＬバックライトモジュールを代替している。この特許が提示するレンズは、漏斗形状の反射面、第１屈折面、第２屈折面を含む。前記反射面は発光ダイオード正面方向の光軸に対し一定角度傾斜しており、発光ダイオード光源が発射する光線の反射に用いられる。前記第１屈折面は発光ダイオード正面方向の光軸に対し斜めに角度がつけられ、反射面が反射する光線の反射に用いられる。前記第２屈折面は以凸曲線または鋸歯状に第１屈折面から発光ダイオード座体まで延伸される。そのうち、前記第１屈折面が前記反射面と前記第２屈折面を連結している。   As shown in FIG. 1A, US Pat. No. 6,679,621 presents a structure of a lens that generates a side light source in a light emitting diode, and arranges the light emitting diodes equipped with a plurality of lenses as a backlight light source of a liquid crystal display. It replaces the conventional CCFL backlight module. The lens presented by this patent includes a funnel-shaped reflective surface, a first refractive surface, and a second refractive surface. The reflecting surface is inclined at a certain angle with respect to the optical axis in the front direction of the light emitting diode, and is used for reflecting light rays emitted from the light emitting diode light source. The first refracting surface is inclined at an angle with respect to the optical axis in the front direction of the light emitting diode, and is used to reflect light rays reflected by the reflecting surface. The second refracting surface is extended from the first refracting surface to the light emitting diode seat in a convex curve or a sawtooth shape. Among them, the first refracting surface connects the reflecting surface and the second refracting surface.

図１Ａに示すように、このレンズの形状は製造において難度が高く、精確に達成することが容易ではないことを踏まえ、このように小型の発光ダイオード光源上にこれほど複雑なレンズの構造を製造することは非常に難度が高い。このほか、側面照射式（ｓｉｄｅ ｅｍｉｔｔｉｎｇ）バックライトモジュールを得るためには、各発光ダイオードすべてに上述の構造が複雑なレンズを設置する必要があり、このように手間のかかるプロセスと高額なコストは大量生産に不利である。また、一部の応用においては、別途防水装置を設置して完成品の信頼性を保障する必要がある。   As shown in FIG. 1A, it is difficult to manufacture the shape of this lens, and it is not easy to achieve precisely. Thus, such a complicated lens structure is manufactured on a small light-emitting diode light source. It is very difficult to do. In addition, in order to obtain a side-emitting backlight module, it is necessary to install a lens having a complicated structure as described above for each light emitting diode. It is disadvantageous for mass production. In some applications, it is necessary to install a waterproof device separately to ensure the reliability of the finished product.

これに鑑みて、新しい側面照射装置の構造を開発し、側面照射式の発光ダイオード光源モジュールの量産という目標を達すると共に、導光形式を改善し、製造コストを抑え、市場ニーズを満たす必要がある。   In view of this, it is necessary to develop a new side illumination device structure, reach the goal of mass production of side-illuminated light-emitting diode light source modules, improve the light guide format, reduce manufacturing costs, and meet market needs .

米国特許第６６７９６２１号明細書US Pat. No. 6,679,621

本発明の目的は、経済的かつ効果的に側面照射光源を得る発光ダイオード光源モジュールを提供することにある。   The objective of this invention is providing the light emitting diode light source module which obtains a side irradiation light source economically and effectively.

本発明の発光ダイオード光源モジュールは、アレイ式発光部材とストリップ式導光構造体を含む。そのうち、前記アレイ式発光部材は複数の正面方向に発光する発光ダイオード（ｌｉｇｈｔ ｅｍｉｔｔｉｎｇ ｄｉｏｄｅ、ＬＥＤ）光源とし、上述の複数の発光ダイオード光源はアレイ式に排列される。また、前記ストリップ式導光構造体は前記アレイ式発光部材の両側に設置され、前記ストリップ式導光構造体は第１曲面と第２曲面を含み、前記第１曲面と前記第２曲面はそれぞれアレイ式発光部材の両側からアレイ式発光部材の中央箇所に向かって凹陥しており、かつアレイ式発光部材の中央箇所上方で相互に連接される。そのうち、前記第１曲面と前記第２曲面は連接箇所において一定角度でアレイ式発光部材の正面方向の光軸のある平面と接する。正面方向の光軸の定義は発光ダイオードのある平面に垂直な方向である。   The light emitting diode light source module of the present invention includes an array type light emitting member and a strip type light guide structure. Among them, the array type light emitting member is a light emitting diode (LED) light source that emits light in a plurality of front directions, and the plurality of light emitting diode light sources are arranged in an array type. The strip-type light guide structure is disposed on both sides of the array-type light emitting member, the strip-type light guide structure includes a first curved surface and a second curved surface, and the first curved surface and the second curved surface are respectively The array type light emitting member is recessed from both sides toward the central portion of the array type light emitting member, and is connected to each other above the central portion of the array type light emitting member. Among them, the first curved surface and the second curved surface are in contact with a plane having an optical axis in the front direction of the array-type light emitting member at a fixed angle at a connection location. The definition of the optical axis in the front direction is a direction perpendicular to a plane with the light emitting diode.

この発光ダイオード光源モジュールは、照明装置に応用して間接光線を効果的に得ると共に、点光源の発光面積を発光ダイオード光源モジュールの処理で拡大し、これによりグレアの確率を低下させることができる。広告ディスプレイ装置に応用すれば、均一な面光源を効果的に得ることができ、ディスプレイの水準を高めることができる。本発明の発光ダイオード光源モジュールは、液晶ディスプレイのバックライトモジュールに応用することもできる。   This light-emitting diode light source module can be applied to a lighting device to effectively obtain indirect rays, and the light-emitting area of the point light source can be expanded by the processing of the light-emitting diode light source module, thereby reducing the probability of glare. If applied to an advertising display device, a uniform surface light source can be effectively obtained, and the level of display can be increased. The light emitting diode light source module of the present invention can also be applied to a backlight module of a liquid crystal display.

従来技術のうちの米国特許第６６７９６２１号の発光ダイオードに側面方向の光源を発生させるレンズの構造を示す側面図である。It is a side view which shows the structure of the lens which generates the light source of a side direction in the light emitting diode of US Patent No. 6,679,621 of prior art. 従来技術のうちの台湾特許公告第Ｉ２４４２２７号の発光ダイオードをバックライトモジュールとした光源モジュールを示す立体斜視図である。It is a three-dimensional perspective view showing a light source module using a light emitting diode of Taiwan Patent Publication No. I244227 of the prior art as a backlight module. 従来技術のうちの台湾特許公告第Ｍ２７２９２４号の広角の照射角度を備えた発光ダイオード管を示す立体分解図である。FIG. 3 is an exploded view showing a light-emitting diode tube having a wide-angle irradiation angle according to Taiwan Patent Publication No. M272924 of the prior art. 従来技術のうちの中国特許公開第１６９３９６０号の発光ダイオードアレイアッセンブリと前記アッセンブリを備えたバックライトユニットを示す立体分解図である。FIG. 6 is a three-dimensional exploded view showing a light emitting diode array assembly of Chinese Patent Publication No. 1693960 and a backlight unit including the assembly. 従来技術のうちの中国特許公開第１７７９５３０号の発光ダイオードの側面方向発光装置を示す側面断面図である。It is side surface sectional drawing which shows the side surface direction light-emitting device of the light emitting diode of Chinese Patent Publication No. 1779530 of prior art. 従来技術のうちの米国特許第２００６２６２５３８号の光線進行方向を変化させる発光ダイオードモジュールを示す側面図である。It is a side view which shows the light emitting diode module which changes the light beam advancing direction of the US2006262538 of prior art. 従来技術のうちの米国特許第７２２４５３７号の発光ダイオードに側面方向の光源を発生させる拡散レンズの構造を示す側面図である。It is a side view which shows the structure of the diffusion lens which generates the light source of a side direction in the light emitting diode of US Patent No. 7224537 of prior art. 本発明に基づく発光ダイオード光源モジュール２００ａの立体図である。It is a three-dimensional view of a light emitting diode light source module 200a according to the present invention. 本発明に基づく放熱構造体とキャリア構造体を備えた発光ダイオード光源モジュール２００ａの立体図である。It is a three-dimensional view of a light emitting diode light source module 200a provided with a heat dissipation structure and a carrier structure according to the present invention. 本発明に基づく３本の直線状に排列した発光ダイオード光源から構成される発光ダイオード光源モジュール２００ａの立体図である。It is a three-dimensional view of a light-emitting diode light source module 200a composed of three light-emitting diode light sources arranged in a straight line according to the present invention. 本発明に基づく両側に反射板を設置した発光ダイオード光源モジュール２００ａの立体図である。FIG. 4 is a three-dimensional view of a light emitting diode light source module 200a having reflectors installed on both sides according to the present invention. 本発明に基づく４種類の異なる幾何形状のストリップ式導光構造体の断面図である。It is sectional drawing of the strip type light guide structure of 4 types of different geometric shapes based on this invention. 本発明に基づく４種類の異なる幾何形状のストリップ式導光構造体の断面図である。It is sectional drawing of the strip type light guide structure of 4 types of different geometric shapes based on this invention. 本発明に基づく４種類の異なる幾何形状のストリップ式導光構造体の断面図である。It is sectional drawing of the strip type light guide structure of 4 types of different geometric shapes based on this invention. 本発明に基づく４種類の異なる幾何形状のストリップ式導光構造体の断面図である。It is sectional drawing of the strip type light guide structure of 4 types of different geometric shapes based on this invention. 本発明に基づく発光ダイオード光源モジュール２００ａにおいて、発光ダイオードの光線が両側から射出される反射光路を示す側面断面図である。In the light emitting diode light source module 200a based on this invention, it is side surface sectional drawing which shows the reflected optical path in which the light ray of a light emitting diode is inject | emitted from both sides. 本発明に基づく反射板（２つの傾斜板）の配置を示す側面断面図である。It is side surface sectional drawing which shows arrangement | positioning of the reflecting plate (two inclined plates) based on this invention. 本発明に基づく反射板（傾斜板１つと直立板１つ）の配置を示す側面断面図である。It is side surface sectional drawing which shows arrangement | positioning of the reflecting plate (one inclination board and one upright board) based on this invention. 曲線部分が本発明に基づく両側から光線が射出される発光ダイオード光源モジュール２００ａの光線強度を示す対応角度分布図である。The curved line portion is a corresponding angle distribution diagram showing the light intensity of the light emitting diode light source module 200a in which light is emitted from both sides according to the present invention. 本発明に基づく別の発光ダイオード光源モジュール２００ｂの立体図である。It is a three-dimensional view of another light emitting diode light source module 200b based on the present invention. 本発明に基づく放熱構造体とキャリア構造体を備えた発光ダイオード光源モジュール２００ｂの立体図である。It is a three-dimensional view of a light emitting diode light source module 200b provided with a heat dissipation structure and a carrier structure according to the present invention. 本発明に基づく別の発光ダイオード光源モジュール２００ｂにおける、４種類の異なる幾何形状のストリップ式導光構造体の断面図である。It is sectional drawing of the strip type light guide structure of 4 types of different geometric shapes in another light emitting diode light source module 200b based on this invention. 本発明に基づく別の発光ダイオード光源モジュール２００ｂにおける、４種類の異なる幾何形状のストリップ式導光構造体の断面図である。It is sectional drawing of the strip type light guide structure of 4 types of different geometric shapes in another light emitting diode light source module 200b based on this invention. 本発明に基づく別の発光ダイオード光源モジュール２００ｂにおける、４種類の異なる幾何形状のストリップ式導光構造体の断面図である。It is sectional drawing of the strip type light guide structure of 4 types of different geometric shapes in another light emitting diode light source module 200b based on this invention. 本発明に基づく別の発光ダイオード光源モジュール２００ｂにおける、４種類の異なる幾何形状のストリップ式導光構造体の断面図である。It is sectional drawing of the strip type light guide structure of 4 types of different geometric shapes in another light emitting diode light source module 200b based on this invention. 本発明に基づく別の発光ダイオード光源モジュール２００ｂの両側に反射板（２つの傾斜板）を配置した側面断面図である。It is side surface sectional drawing which has arrange | positioned the reflecting plate (two inclined plates) on the both sides of another light emitting diode light source module 200b based on this invention. 本発明に基づく別の発光ダイオード光源モジュール２００ｂの両側に反射板（傾斜板１つと直立板１つ）を配置した側面断面図である。It is side surface sectional drawing which has arrange | positioned the reflecting plate (one inclination board and one upright board) on both sides of another light emitting diode light source module 200b based on this invention.

本発明がここで探究する方向は、発光ダイオード光源モジュールである。本発明を徹底的に理解できるようにするため、以下の説明において詳しい手順とその構成を提示する。当然ながら本発明の実施はバックライトモジュールの技術者が熟知する特殊な詳細に限定されない。また、周知の組成または手順は、本発明の不必要な制限を回避するため、詳細に説明していない。本発明の最良の実施例を以下で詳細に説明するが、これら詳細な説明のほか、本発明は幅広くその他実施例中に実施することができ、かつ本発明の範囲は最良の実施例に限定されず、特許請求の範囲に準じる。   The direction in which the present invention explores is the light emitting diode light source module. In order to provide a thorough understanding of the present invention, a detailed procedure and its configuration are presented in the following description. Of course, the practice of the invention is not limited to the specific details familiar to those skilled in the art of backlight modules. In other instances, well-known compositions or procedures have not been described in detail in order to avoid unnecessary limitations of the invention. BEST MODE FOR CARRYING OUT THE INVENTION The best embodiments of the present invention will be described in detail below. In addition to these detailed descriptions, the present invention can be widely implemented in other embodiments, and the scope of the present invention is limited to the best embodiments. Not according to the scope of the claims.

側面方向に発光する発光ダイオード光源を得るために、以下のいくつかの特許がその主張する構造をそれぞれ提示している。   In order to obtain a light emitting diode light source that emits light in the lateral direction, the following patents each present their claimed structure.

台湾特許公告第Ｉ２４４２２７号は発光ダイオードをバックライトモジュールとした光源モジュールを開示しているが、この光源モジュールが使用する発光ダイオードは主にＣＯＢ（ｃｈｉｐ ｏｎ ｂｏａｒｄ）の発光ダイオードパッケージ構造を主としており、即ち、発光ダイオードチップを直接基板上に設置している。この特許が提示する発光ダイオード光源モジュールは、図１Ｂに示すように、４つの側面と１つの底面から構成された本体ランプケースを含み、前記本体ランプケースは反射性を備え、複数の発光ダイオードのベアチップが放熱基板に直接嵌入され、かつ前記放熱基板上に２列の直線アレイ状に排列されると共に、各列の発光ダイオードアレイ光源の上方がライトマスクで被覆され、このライトマスクにより側面方向の光源を発生し、側面方向の光源が前記本体ランプケースの内部空間内で伝播混合されて、均一な面光源を発生するものである。しかしながら、この特許はその発生する側面方向の光源が前記本体ランプケースで混光された後の光の指向性が悪く、別途設置した輝度向上フィルムで光学表現を改善する必要がある。   Taiwan Patent Publication No. I244227 discloses a light source module using a light emitting diode as a backlight module, and the light emitting diode used by this light source module mainly has a light emitting diode package structure of COB (chip on board), That is, the light emitting diode chip is directly installed on the substrate. As shown in FIG. 1B, the light-emitting diode light source module proposed by this patent includes a main body lamp case composed of four side surfaces and one bottom surface, and the main body lamp case has reflectivity, and includes a plurality of light-emitting diodes. The bare chips are directly inserted into the heat dissipation substrate, and are arranged in two rows of linear arrays on the heat dissipation substrate, and the light emitting diode array light sources above each row are covered with a light mask. A light source is generated, and a light source in a side surface direction is propagated and mixed in the internal space of the main body lamp case to generate a uniform surface light source. However, in this patent, the directivity of light after the side light source generated by the main body lamp case is mixed with light is poor, and it is necessary to improve the optical expression with a separately provided brightness enhancement film.

台湾特許公告第Ｍ２７２９２４号は、広角の照射角度を備えた発光ダイオード管を提示しており、図１Ｃに示すように、この発光ダイオード管は、長細い板状の回路板を含み、前記回路板表面に複数の発光ダイオードが直線状に排列して設置され、この発光ダイオードストリップの周囲に透光性を備えたカバーが設置され、このカバーは円形の中空管体である。この特許が開示する発光ダイオード管は光学特性がなく、発光ダイオードストリップを保護し、発光ダイオードストリップの構造を簡略化するためだけのものである。   Taiwan Patent Publication No. M272924 presents a light emitting diode tube with a wide angle of illumination, and as shown in FIG. 1C, the light emitting diode tube includes a long and thin plate-like circuit board, A plurality of light emitting diodes are arranged in a straight line on the surface, and a light-transmitting cover is provided around the light emitting diode strip. The cover is a circular hollow tube. The light emitting diode tube disclosed in this patent has no optical properties and is only intended to protect the light emitting diode strip and simplify the structure of the light emitting diode strip.

中国特許公開第１６９３９６０号は、発光ダイオードアレイアッセンブリとこのアッセンブリを備えたバックライトユニットを開示している。図１Ｄにこの特許が提示する発光ダイオードアレイアッセンブリの分解図を示す。この特許は、四角い枠型の細長い反射体で複数の発光ダイオードが列を成して排列された発光ダイオードバーの周囲を囲み、複数の発光ダイオード光源が発射する上方向の光線がこの反射体により反射され、さらに前記反射体と発光ダイオードバーの上方にレンズが設置され、このレンズにより発光ダイオード光源と反射体の発生する光線を拡散し、かつ光線を水平方向に沿って発射させるものである。しかしながら、前記反射体は一定寸法の四角い枠型の物体であり、実際の運用において制限される。   Chinese Patent Publication No. 1693960 discloses a light emitting diode array assembly and a backlight unit comprising this assembly. FIG. 1D shows an exploded view of the light emitting diode array assembly proposed by this patent. In this patent, a rectangular frame-shaped elongated reflector surrounds a light-emitting diode bar in which a plurality of light-emitting diodes are arranged in a row, and an upward light beam emitted by a plurality of light-emitting diode light sources is reflected by the reflector. Reflected, and further, a lens is installed above the reflector and the light emitting diode bar. The lens diffuses the light rays generated by the light emitting diode light source and the reflector and emits the light rays in the horizontal direction. However, the reflector is a rectangular frame-shaped object having a fixed size, and is limited in actual operation.

中国特許公開第１７７９５３０号は、発光ダイオードの側面方向発光装置を開示しており、液晶ディスプレイのバックライトモジュールに用いることができるものである。図１Ｅに示すように、第１反射面、第２反射面、屈折面を含み、前記第１反射面は発光ダイオードの正面方向の光軸を中心軸として囲み円錐形曲面を成し、前記第２反射面は前記発光ダイオード発光器を囲み円錐形表面を成している。前記第２反射面は前記発光ダイオードと屈折面を連結し、前記屈折面が前記第１反射面と前記第２反射面を連結している。この特許が開示する発光ダイオード側面方向発光装置は、単一の発光ダイオード素子に対して提供される側面方向発光装置であり、また前述の米国特許第６６７９６２１号と同じであるのは、側面照射式（ｓｉｄｅ ｅｍｉｔｔｉｎｇ）バックライトモジュールを得るために、各発光ダイオード上に上述の構造が複雑な反射装置を設置する必要があり、かつ円錐形曲面の反射面は製造難度が高く、製造プロセスが複雑でコストも高いため、量産に不利な点である。   Chinese Patent Publication No. 1779530 discloses a light emitting diode side direction light emitting device, which can be used in a backlight module of a liquid crystal display. As shown in FIG. 1E, the first reflective surface includes a first reflective surface, a second reflective surface, and a refractive surface. The first reflective surface has an optical axis in the front direction of the light emitting diode as a central axis and forms a conical curved surface. Two reflective surfaces surround the light emitting diode light emitter and form a conical surface. The second reflecting surface connects the light emitting diode and the refracting surface, and the refracting surface connects the first reflecting surface and the second reflecting surface. The light emitting diode side light emitting device disclosed in this patent is a side light emitting device provided for a single light emitting diode element, and is the same as the aforementioned US Pat. (Side emitting) In order to obtain a backlight module, it is necessary to install a reflective device having the above-described structure on each light emitting diode, and the conical curved reflective surface is difficult to manufacture, and the manufacturing process is complicated. The cost is high, which is a disadvantage for mass production.

米国特許第２００６２６２５３８号は、光線の進行方向を変化させることができる発光ダイオードモジュールを開示している。図１Ｆに示すように、この特許が提示する光線進行方向変化ユニットは、２つの反射傾斜板と２つの屈折面を含む。前記２つの反射傾斜板は発光ダイオードの正面方向の光軸を中心軸としてＶ字形平面を形成し、屈折面が反射傾斜板と回路板を連結し、発光ダイオード発光素子が回路板上に設置される。このほか、２つの反射傾斜板にＶ字形曲面を形成するか、２つの屈折面間に円錐形曲面を形成することができる。この特許はまた、単一の発光ダイオード素子上に前記光線進行方向変化ユニットを設置することができるほか、回路板上に複数の排列されたアレイ形式の発光ダイオードがある場合、この発光ダイオードアレイ上に光線進行方向変化ユニットを形成することもでき、この光線進行方向変化ユニットが単一の発光ダイオード上方にそれぞれ対応してＶ字形平面、Ｖ字形曲面または独立した円錐形曲面を備えていることが開示されている。   U.S. Patent No. 2006262538 discloses a light emitting diode module that can change the direction of travel of light rays. As shown in FIG. 1F, the beam traveling direction changing unit proposed by this patent includes two reflective inclined plates and two refractive surfaces. The two reflective inclined plates form a V-shaped plane with the optical axis in the front direction of the light emitting diode as a central axis, the refracting surface connects the reflective inclined plate and the circuit board, and the light emitting diode light emitting element is installed on the circuit board. The In addition, a V-shaped curved surface can be formed on the two reflecting inclined plates, or a conical curved surface can be formed between the two refracting surfaces. This patent also allows the light beam direction changing unit to be installed on a single light emitting diode element, and if there are multiple arranged array type light emitting diodes on the circuit board, It is also possible to form a beam traveling direction changing unit, and the beam traveling direction changing unit has a V-shaped plane, a V-shaped curved surface, or an independent conical curved surface, respectively, corresponding to a single light emitting diode. It is disclosed.

米国特許第７２２４５３７号は、図１Ｇの側面図に示すように、発光ダイオードに側面方向の光源を発生させる拡散レンズの構造を開示しており、米国特許第６６７９６２１号と似ている。この特許が提示するレンズの構造は、発光ダイオードの正面方向の光軸を中心軸とした三角錐形の反射平面を含み、三角錐形の反射平面の周囲を囲んで別の円錐形の反射平面が設けられ、屈折平面が底面と円錐形の反射平面を連結している。この特許が提示する反射面と屈折面は皆平面を主としており、このため、製造上米国特許第６６７９６２１号より容易である。   U.S. Pat. No. 7,224,537 discloses a diffusing lens structure for generating a lateral light source in a light emitting diode, similar to U.S. Pat. No. 6,679,621, as shown in the side view of FIG. 1G. The lens structure proposed by this patent includes a triangular pyramid reflection plane centered on the optical axis in the front direction of the light-emitting diode, and surrounds the circumference of the triangular pyramid reflection plane to form another conical reflection plane. The refractive plane connects the bottom surface and the conical reflection plane. The reflecting and refracting surfaces presented by this patent are all mainly flat and are therefore easier to manufacture than US Pat. No. 6,679,621.

しかしながら、上述の従来技術が提示する側面方向の光線発射構造はほとんどが単一の発光ダイオード素子に対する設計であり、複数の発光ダイオード素子から構成されるバックライトモジュールにおいては製造プロセスが複雑でコストが高い。このため、本特許は側面方向に発光する光源の発光ダイオード光源モジュールを効果的かつ経済的に提供するものであり、組み立てが便利で寸法上の制限がなく、かつ各単一の発光ダイオード素子すべてに導光レンズを設置する高度のプロセスと高額なコストの問題を解決することができる。   However, most of the light emitting structures in the lateral direction proposed by the above-described prior art are designed for a single light emitting diode element, and a backlight module composed of a plurality of light emitting diode elements has a complicated manufacturing process and is costly. high. For this reason, this patent effectively and economically provides a light-emitting diode light source module that emits light in the lateral direction, is easy to assemble, has no dimensional restrictions, and each single light-emitting diode element It can solve the problem of advanced process and high cost of installing the light guide lens.

本発明の発光ダイオード光源モジュール２００ａは、図２Ａに示すように、アレイ式発光部材２１０とストリップ式導光構造体２３０を含む。そのうち、前記アレイ式発光部材２１０は複数のアレイ形式に相互に排列された正面方向に発光する発光ダイオード２１２（ｌｉｇｈｔ ｅｍｉｔｔｉｎｇ ｄｉｏｄｅ、ＬＥＤ）光源を含み、前記ストリップ式導光構造体２３０は前記アレイ式発光部材２１０の両側に設置される。前記発光ダイオード２１２は正面方向の発光光源であり、そのうち、前記発光ダイオードは発光ダイオードチップパッケージ（ｃｈｉｐ ｉｎ ｐａｃｋａｇｅ）とする。このほか、複数の発光ダイオード２１２の前記アレイ式発光部材２１０中における排列方式は単一の直線または複数本の直線のアレイとすることができ、図２Ｃに示すのは３本の直線状に排列した発光ダイオード光源から構成される発光ダイオード光源モジュールの立体図である。上述のストリップ式導光構造体２３０は、第１曲面２３１と第２曲面２３２を含み、そのうち、前記第１曲面２３１と前記第２曲面２３２はそれぞれアレイ式発光部材２１０の両側からアレイ式発光部材２１０の中央箇所に向かって凹陥しており、かつ前記アレイ式発光部材２１０の中央箇所上方で相互に連接される。そのうち、前記第１曲面２３１と前記第２曲面２３２は連接箇所において一定角度でアレイ式発光部材２１０の正面方向の光軸のある平面と接し、正面方向の光軸の定義は、発光ダイオード ２１２がある平面に垂直な方向である。   The light emitting diode light source module 200a of the present invention includes an array type light emitting member 210 and a strip type light guide structure 230 as shown in FIG. 2A. Among them, the array type light emitting member 210 includes light emitting diode (LED) light sources that emit light in a front direction arranged in a plurality of array forms, and the strip type light guide structure 230 includes the array type light guide structure 230. It is installed on both sides of the light emitting member 210. The light emitting diode 212 is a front light emitting light source, and the light emitting diode is a light emitting diode chip package. In addition, the arrangement method of the plurality of light emitting diodes 212 in the array-type light emitting member 210 may be a single straight line or an array of a plurality of straight lines, and FIG. It is a three-dimensional view of the light emitting diode light source module comprised from the light emitting diode light source. The strip-type light guide structure 230 includes a first curved surface 231 and a second curved surface 232, and the first curved surface 231 and the second curved surface 232 are respectively arranged from both sides of the array-type light emitting member 210. Recessed toward the central portion of 210 and connected to each other above the central portion of the array type light emitting member 210. Among them, the first curved surface 231 and the second curved surface 232 are in contact with a plane having an optical axis in the front direction of the array-type light emitting member 210 at a fixed angle at the connection location, and the definition of the optical axis in the front direction is as follows. The direction is perpendicular to a plane.

本発明が提供するストリップ式導光構造体２３０はさらに複数の導光幾何表面（図２Ｅから図２Ｈ中の２３３〜２３６を参照）を含み、上述の複数の導光幾何表面はアレイ式発光部材２１０と第１曲面２３１及び第２曲面２３２にそれぞれ連接され、完全なストリップ式導光構造体２３０が形成される。図２Ｅに示すように、導光幾何表面２３３の一側に前記第１曲面２３１が連接され、別の導光幾何表面が導光幾何表面２３３とアレイ式発光部材２１０を連結する。このほか、前記第１曲面２３１、前記第２曲面２３２と複数の導光幾何表面（２３３〜２３６）はレンズとするか、あるいは内面に反射材質をめっきした表面とし、前記内面の定義は第１曲面２３１、第２曲面２３２または導光幾何表面の発光ダイオード光源２１２近くの表面である。このほか、前記導光幾何表面は、半円曲面、直立平面、傾斜平面、曲面のいずれか、または組み合わせとする。   The strip-type light guide structure 230 provided by the present invention further includes a plurality of light guide geometric surfaces (see 233 to 236 in FIGS. 2E to 2H), and the plurality of light guide geometric surfaces described above are array type light emitting members. 210, the first curved surface 231 and the second curved surface 232 are connected to form a complete strip-type light guide structure 230. As shown in FIG. 2E, the first curved surface 231 is connected to one side of the light guide geometric surface 233, and another light guide geometric surface connects the light guide geometric surface 233 and the array light emitting member 210. In addition, the first curved surface 231, the second curved surface 232, and the plurality of light guiding geometric surfaces (233 to 236) are lenses or surfaces having a reflective material plated on the inner surface. The surface near the light-emitting diode light source 212 of the curved surface 231, the second curved surface 232, or the light guiding geometric surface. In addition, the light guide geometric surface is one of a semicircular curved surface, an upright plane, an inclined plane, a curved surface, or a combination thereof.

本発明はさらに反射板２９０を含み、前記反射板２９０は前記ストリップ式導光構造体２３０の一側に設置する。あるいは、図２Ｄに示すように、前記反射板２９０は前記ストリップ式導光構造体２３０の相対する両側に設置してもよい。前記反射板２９０は、ストリップ式導光構造体２３０の反射または屈折を経た後に形成される側面方向の光線を再度反射して前記アレイ式発光部材２１０の正面方向の光軸に垂直または平行の方向にするために用いる。   The present invention further includes a reflector 290, which is disposed on one side of the strip type light guide structure 230. Alternatively, as shown in FIG. 2D, the reflectors 290 may be installed on opposite sides of the strip-type light guide structure 230. The reflection plate 290 reflects the light in the lateral direction formed after the reflection or refraction of the strip-type light guide structure 230 again, and is perpendicular or parallel to the front optical axis of the array-type light emitting member 210. Used to make.

本発明は４種類の異なる幾何形状のストリップ式導光構造体２３０を提示する。図２Ｅ、図２Ｆ、図２Ｇ、図２Ｈに上述の４種類の異なる幾何形状のストリップ式導光構造体２３０の断面図をそれぞれ示す。発光ダイオード ２１２光源が発射する光線は、ストリップ式導光構造体２３０内の第１曲面２３１、第２曲面２３２、または各導光幾何表面の全反射、反射または屈折により光線をアレイ式発光部材２１０の正面方向の光軸に垂直または平行の方向にガイドすることができ、ストリップ式導光構造体２３０の処理後に発生する側面方向の光線は、前段落中で言及した反射板２９０に向かって射出された後、前記反射板２９０により上述の側面方向の光線を再度反射または全反射して正面方向の光線にすることができる。発光ダイオードの射出する光線が上述の導光処理を経た後に得られる間接光源は、照明に応用すると、グレアの確率を下げることができる。上述の間接光源は広告ディスプレイに応用することもでき、効果的に均一な光線が得られ、ディスプレイの水準を高めることができる。   The present invention presents four different geometric strip light guide structures 230. 2E, 2F, 2G, and 2H show cross-sectional views of the four different types of strip-shaped light guide structures 230 having different geometries. The light emitted from the light-emitting diode 212 light source is converted into the array-type light emitting member 210 by total reflection, reflection, or refraction of the first curved surface 231, the second curved surface 232, or each light guide geometric surface in the strip-type light guide structure 230. Can be guided in a direction perpendicular to or parallel to the optical axis of the front surface of the light source, and the light in the lateral direction generated after the processing of the strip-type light guide structure 230 is emitted toward the reflector 290 mentioned in the previous paragraph. After that, the reflection plate 290 can reflect or totally reflect the light in the lateral direction as described above to form a light in the front direction. When the indirect light source obtained after the light beam emitted from the light emitting diode undergoes the above-described light guide process can be applied to illumination, the probability of glare can be reduced. The indirect light source described above can also be applied to advertising displays, and can effectively obtain uniform light rays and raise the level of display.

このほか、本発明はストリップ式導光構造体２３０において、各導光表面の光線に対するガイド設計にいくつかの組み合わせを提供する。ただし、導光表面の光線に対するガイドの組み合わせ設計は、本発明が言及する次の３種類に限られない。第１類は、第１曲面２３１と第２曲面２３２に反射特性を有する材質をめっきし、光線が第１曲面２３１と第２曲面２３２の反射または全反射を経た後、それぞれ相対する両側に向かって射出される側面方向の光線を形成させ、さらに幾何導光表面２３３、２３４により側面方向の光線をガイドし、図２Ｉに点線で示すような光線のルートを形成させることができる。この第１類が形成する側面方向の光源において、その光線強度の対応角度分布図は、図２Ｌ中の曲線が示すように、正面方向の光軸（０°角の箇所）に対して約６０°〜７０°角の箇所の光の強度が最強である。第２類は、第１曲面２３１または第２曲面２３２のいずれか一方に反射特性を有する材質をめっきし、反射特性を有さない第１曲面２３１または第２曲面２３２近くの幾何導光表面に、反射特性を有する材質をめっきする。図２Ｅ中の点線で示す光路のように、第１曲面２３１に向かって射出される光線が反射または全反射されて側面方向の光線となり、側面方向の光線が幾何導光表面２３３によりガイドされ、また、幾何導光表面２３４に向かって射出される光線が反射または全反射されて正面方向の光線となり、第２曲面２３２により光線がガイドされ、正面方向の光線が補償される。第３類は、第１曲面２３１または第２曲面２３２のいずれか一方に反射特性を有する材質をめっきし、図２Ｆ中の点線で示す光路のように、第１曲面２３１に向かって射出された光線が反射または全反射されて側面方向の光線となり、幾何導光表面２３４に向かって射出された光線が屈折されて他方の側に向かう側面方向の光線となる。   In addition, the present invention provides several combinations of guide designs for light beams on each light guide surface in the strip-type light guide structure 230. However, the combination design of the guide for the light beam on the light guide surface is not limited to the following three types mentioned in the present invention. In the first class, the first curved surface 231 and the second curved surface 232 are plated with a material having reflection characteristics, and after the light rays are reflected or totally reflected by the first curved surface 231 and the second curved surface 232, they are directed to opposite sides. In this case, the light beams emitted in the lateral direction can be formed, and the light beams in the lateral direction can be guided by the geometrical light guide surfaces 233 and 234 to form a light ray route as shown by a dotted line in FIG. In the side surface direction light source formed by the first class, the corresponding angle distribution diagram of the light intensity is about 60 with respect to the optical axis in the front direction (0 ° angle portion) as indicated by the curve in FIG. 2L. The intensity of light at the angle of the angle of 70 ° to 70 ° is the strongest. In the second type, either the first curved surface 231 or the second curved surface 232 is plated with a material having a reflection characteristic, and the geometric light guide surface near the first curved surface 231 or the second curved surface 232 having no reflection characteristic is plated. Plating material with reflective properties. Like the optical path shown by the dotted line in FIG. 2E, the light beam emitted toward the first curved surface 231 is reflected or totally reflected to form a light beam in the lateral direction, and the light beam in the lateral direction is guided by the geometrical light guide surface 233, Further, the light beam emitted toward the geometrical light guide surface 234 is reflected or totally reflected to become a light beam in the front direction, and the light beam is guided by the second curved surface 232 to compensate the light beam in the front direction. In the third class, a material having a reflection characteristic is plated on either the first curved surface 231 or the second curved surface 232, and emitted toward the first curved surface 231 as in the optical path indicated by the dotted line in FIG. 2F. The light rays are reflected or totally reflected to become side-side light rays, and the light rays emitted toward the geometric light guide surface 234 are refracted to become side-side light rays toward the other side.

前述の第１類と第３類の導光の組み合わせにおいて、導光処理を経た後、光線が相対する両側に向かって射出される側面方向の光線がそれぞれ形成され、反射板を組み合わせる設計では相対する両側に２つの傾斜板をそれぞれ設置し、これら２つの傾斜板の傾斜方向は、図２Ｊに示す反射板の断面図のように、ストリップ式導光構造体 ２３０の２つの相対する外側から斜めに向発光ダイオード光源に向かうものとする。上述の第２類の導光の組み合わせにおいて、反射板を組み合わせる設計は、図２Ｋに示す反射板の断面図のように、傾斜板と直立板とする。   In the combination of the first and third light guides described above, after the light guide process, the light beams in the lateral direction are formed so that the light beams are emitted toward opposite sides. Two inclined plates are respectively installed on both sides, and the inclination directions of these two inclined plates are inclined from two opposite outer sides of the strip-type light guide structure 230 as shown in the sectional view of the reflector shown in FIG. 2J. It is assumed that the light is directed toward the light emitting diode light source. In the above-mentioned combination of the second type of light guide, the combination of reflectors is an inclined plate and an upright plate as shown in the sectional view of the reflector shown in FIG. 2K.

本発明はさらにキャリア構造体２５０を含み、図２Ａに示すように、前記キャリア構造体２５０はアレイ式発光部材２１０とストリップ式導光構造体２３０の下方及び両側に設置され、前記アレイ式発光部材２１０と前記ストリップ式導光構造体２３０を搭載して固定するために用いられ、上述の両者をより効果的に結合させる。   The present invention further includes a carrier structure 250. As shown in FIG. 2A, the carrier structure 250 is disposed below and on both sides of the array type light emitting member 210 and the strip type light guide structure 230, and the array type light emitting member is provided. 210 and the strip-type light guide structure 230 are used for mounting and fixing, and the above-described both are combined more effectively.

このほか、本発明はさらに放熱構造体２７０を含む。図２Ｂに示すように、前記放熱構造体２７０は前記キャリア構造体２５０の下方に設置される。または、別途前記キャリア構造体２５０を加える必要なく、アレイ式発光部材２１０の下方に直接設置してもよい。そのうち、前記放熱構造体２７０は複数の放熱フィンを備え、放熱フィンの開口方向は発光ダイオード光源２１２の正面発光方向の反対方向とする。最良の実施例において、放熱構造体２７０とキャリア構造体２５０は一体成形とできる。   In addition, the present invention further includes a heat dissipation structure 270. As shown in FIG. 2B, the heat dissipation structure 270 is installed below the carrier structure 250. Alternatively, it may be installed directly below the array-type light emitting member 210 without adding the carrier structure 250 separately. Among them, the heat dissipation structure 270 includes a plurality of heat dissipation fins, and the opening direction of the heat dissipation fins is opposite to the front light emission direction of the light-emitting diode light source 212. In the best embodiment, the heat dissipation structure 270 and the carrier structure 250 can be integrally formed.

本発明は効果的かつ経済的に得られる側面方向に発光する光源の発光ダイオード光源モジュールを提供する。即ち、元々は正面方向に発光する発光ダイオードバー上方に別途ストリップ式導光構造体を１つ追加するだけで達成できる。その組み立て方式は、アレイ式発光部材２１０をすでに設置したキャリア構造体２５０を用意し、さらに完全なストリップ式導光構造体２３０を側面の開口部から前記キャリア構造体２５０の中に押し入れるだけで、発光ダイオード光源モジュール２００ａの組み立てを完了することができる。前記発光ダイオード光源モジュールには寸法上の制限はなく、さまざまな長さの寸法のニーズに対応することができる。本発明の提供する発光ダイオード光源モジュールは、各単一の発光ダイオード素子すべてに導光レンズを設置するという高度なプロセスと高額のコストの問題を解決する。また、前記ストリップ式導光構造体は発光ダイオードバーの防水保護を代替することもできる。このほか、本発明の提供するキャリア構造体と放熱構造体を一体成形することで、従来技術において発光モジュールと放熱モジュールを別々に設計していた盲点を解決できる。   The present invention provides a light-emitting diode light source module of a light source that emits light in a lateral direction that can be obtained effectively and economically. That is, this can be achieved by simply adding one additional strip light guide structure above the light emitting diode bar that emits light in the front direction. The assembling method is to prepare a carrier structure 250 on which the array type light emitting member 210 is already installed, and further push the complete strip type light guide structure 230 into the carrier structure 250 from the opening on the side. The assembly of the light emitting diode light source module 200a can be completed. The light emitting diode light source module is not limited in size, and can meet the needs of various length dimensions. The light emitting diode light source module provided by the present invention solves the problem of an advanced process and high cost of installing a light guiding lens in every single light emitting diode element. In addition, the strip type light guide structure can replace the waterproof protection of the light emitting diode bar. In addition, by integrally forming the carrier structure and the heat dissipation structure provided by the present invention, it is possible to solve the blind spot where the light emitting module and the heat dissipation module are separately designed in the prior art.

また、図３Ａに示すように、本発明に基づき提供する別の発光ダイオード光源モジュール２００ｂは、発光部材２２０とストリップ式導光構造体２３０を含む。そのうち、前記発光部材２２０は複数列に排列された正面方向に発光するストリップ式発光ダイオードアッセンブリ２２２を含み、前記ストリップ式導光構造体２３０は複数の略Ｖ字形導光面２４０を含む。   3A, another light emitting diode light source module 200b provided according to the present invention includes a light emitting member 220 and a strip-type light guide structure 230. The light emitting member 220 includes a strip type light emitting diode assembly 222 that emits light in a front direction arranged in a plurality of rows, and the strip type light guide structure 230 includes a plurality of substantially V-shaped light guide surfaces 240.

前記各略Ｖ字形導光面２４０は２つの曲面２４１と２４２から構成され、そのうち、曲面２４１と２４２は前記ストリップ式発光ダイオードアッセンブリ２２２の中央上方で相互に連接される。前記略Ｖ字形導光面２４０のうち、曲面２４１と曲面２４２が相互に連接される箇所が、それぞれ一定角度でストリップ式発光ダイオードアッセンブリ２２２の正面方向の光軸がある平面と相互に接し、かつ相隣する２つの略Ｖ字形導光面２４０が、２つの相隣するストリップ式発光ダイオードアッセンブリ２２２が相互に連接する箇所がある平面と相互に交わる。そのうち、曲面２４１と２４２はレンズとするか、あるいは内面に反射材質をめっきした表面とし、上述の内面とは曲面２４１と２４２の発光ダイオード光源２１２近くの表面である。   Each of the substantially V-shaped light guide surfaces 240 includes two curved surfaces 241 and 242, and the curved surfaces 241 and 242 are connected to each other above the center of the strip type light emitting diode assembly 222. Of the substantially V-shaped light guide surface 240, the portions where the curved surface 241 and the curved surface 242 are connected to each other are in contact with a plane having an optical axis in the front direction of the strip type light emitting diode assembly 222 at a certain angle, and Two adjacent V-shaped light guide surfaces 240 adjacent to each other intersect with a plane where the two adjacent strip-type light emitting diode assemblies 222 are connected to each other. Of these, the curved surfaces 241 and 242 are lenses or surfaces having a reflective material plated on the inner surface, and the inner surface is the surface of the curved surfaces 241 and 242 near the light-emitting diode light source 212.

前記ストリップ式導光構造体２３０はさらに複数の導光幾何表面を含み（図３Ｃから図３Ｆ中の２３３〜２３６を参照）、前記複数の導光幾何表面２３３〜２３６は前記発光部材２２０と前記ストリップ式導光構造体２３０の最も外側の曲面にそれぞれ連接される。そのうち、前記導光幾何表面２３３〜２３６はレンズとするか、あるいは内面に反射材質をめっきした表面とし、上述の内面とは、前記導光幾何表面２３３〜２３６の前記発光ダイオード光源２１２近くの表面である。このほか、前記導光幾何表面２３３〜２３６は、半円曲面、直立平面、傾斜平面、曲面のいずれか、または組み合わせとする。   The strip-type light guide structure 230 further includes a plurality of light guide geometric surfaces (see 233 to 236 in FIGS. 3C to 3F), and the plurality of light guide geometric surfaces 233 to 236 include the light emitting member 220 and the light guide member 220. The strip-type light guide structure 230 is connected to the outermost curved surface. Of these, the light guide geometric surfaces 233 to 236 are lenses or surfaces having a reflective material plated on the inner surface, and the inner surface is the surface of the light guide geometric surfaces 233 to 236 near the light-emitting diode light source 212. It is. In addition, the light guiding geometric surfaces 233 to 236 may be any one or a combination of a semicircular curved surface, an upright plane, an inclined plane, and a curved surface.

本発明は４種類の異なる幾何形状のストリップ式導光構造体２３０を提示する。図３Ｃ、図３Ｄ、図３Ｅ、図３Ｆに上述の４種類の異なる幾何形状のストリップ式導光構造体２３０の断面図をそれぞれ示す。発光ダイオード光源２１２が発射する光線は、図３Ｃ中の光線ルートを示す点線のように、ストリップ式導光構造体２３０内の曲面２４１、曲面２４２、および各導光幾何表面の２３３〜２３６の全反射、反射または屈折により光線をストリップ式発光ダイオードアッセンブリ２２２の正面方向の光軸に垂直または平行の方向にガイドすることができる。   The present invention presents four different geometric strip light guide structures 230. 3C, FIG. 3D, FIG. 3E, and FIG. 3F show cross-sectional views of the above-described four different types of strip-shaped light guide structures 230 having different geometries. The light rays emitted from the light-emitting diode light source 212 are all of the curved surface 241 and the curved surface 242 in the strip-type light guide structure 230, and 233 to 236 of each light guide geometric surface, as shown by the dotted line indicating the light ray route in FIG. The light beam can be guided in a direction perpendicular or parallel to the optical axis in the front direction of the strip type light emitting diode assembly 222 by reflection, reflection or refraction.

本発明はさらに反射板２９０を含み、前記反射板２９０はストリップ式導光構造体２３０の一側に設置される。また、前記反射板２９０はストリップ式導光構造体２３０の相対する両側に設置してもよく、図３Ｇ〜図３Ｈに示すように、この状況において前記反射板を組み合わせる設計は２つの傾斜板または傾斜板１つと直立板１つとすることができる。反射板２９０はストリップ式導光構造体２３０の反射または屈折を経た後に形成される側面方向の光線を再度反射してストリップ式発光ダイオードアッセンブリ２２２の正面方向の光軸に垂直または平行の方向とするために用いられる。   The present invention further includes a reflector 290, which is disposed on one side of the strip-type light guide structure 230. In addition, the reflector 290 may be installed on opposite sides of the strip-type light guide structure 230, and as shown in FIGS. 3G to 3H, the design for combining the reflectors in this situation includes two inclined plates or One inclined plate and one upright plate can be provided. The reflection plate 290 reflects the light in the lateral direction formed after the reflection or refraction of the strip-type light guide structure 230 again to make the direction perpendicular or parallel to the front optical axis of the strip-type light emitting diode assembly 222. Used for.

本発明はさらにキャリア構造体２５０を含み、図３Ａに示すように、キャリア構造体２５０は発光部材２２０とストリップ式導光構造体２３０の下方及び両側に設置され、前記発光部材２２０と前記ストリップ式導光構造体２３０を搭載かつ固定するために用いられる。   The present invention further includes a carrier structure 250. As shown in FIG. 3A, the carrier structure 250 is disposed below and on both sides of the light emitting member 220 and the strip type light guide structure 230, and the light emitting member 220 and the strip type are provided. Used to mount and fix the light guide structure 230.

このほか、本発明はさらに放熱構造体２７０を含む。図３Ｂに示すように、前記放熱構造体２７０は前記キャリア構造体２５０の下方に連接して設置される。または、別途前記キャリア構造体２５０を加える必要なく、発光部材２２０の下方に直接設置してもよい。そのうち、前記放熱構造体２７０は複数の放熱フィンを備え、放熱フィンの開口方向は発光ダイオード光源２１２の正面発光方向の反対方向とする。最良の実施例において、放熱構造体２７０とキャリア構造体２５０は一体成形とできる。   In addition, the present invention further includes a heat dissipation structure 270. As shown in FIG. 3B, the heat dissipation structure 270 is connected to the lower side of the carrier structure 250. Alternatively, it may be installed directly below the light emitting member 220 without adding the carrier structure 250 separately. Among them, the heat dissipation structure 270 includes a plurality of heat dissipation fins, and the opening direction of the heat dissipation fins is opposite to the front light emission direction of the light-emitting diode light source 212. In the best embodiment, the heat dissipation structure 270 and the carrier structure 250 can be integrally formed.

本発明が提供する発光ダイオード光源モジュールは、照明装置に応用して間接光線を効果的に得ると共に、グレアの確率を低下させることができる。また広告ディスプレイ装置に応用すれば、均一な光線を効果的に得ることができ、ディスプレイの水準を高めることができる。本発明はまた液晶ディスプレイのバックライトモジュールに応用することもできる。   The light-emitting diode light source module provided by the present invention can be applied to an illumination device to effectively obtain indirect rays and reduce the probability of glare. Moreover, if it is applied to an advertising display device, uniform light can be obtained effectively and the level of display can be increased. The present invention can also be applied to a backlight module of a liquid crystal display.

当然、上述の実施例の説明に基づいた上で、本発明は多くの修正や差異があり得る。このため、後付の特許請求の範囲において理解する必要があり、上述の詳細な説明のほか、本発明はその他の実施例においても幅広く実施することができる。上述は本発明の最良の実施例にすぎず、本発明の特許請求の範囲を限定するものではない。その他本発明の要旨を逸脱しない同様の効果をもつ変化や修飾は、すべて後付の特許請求の範囲内に含まれるものとする。   Of course, the present invention may have many modifications and differences based on the above description of the embodiments. For this reason, it should be understood in the appended claims, and in addition to the above detailed description, the present invention can be widely implemented in other embodiments. The foregoing is merely the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Other changes and modifications having the same effect without departing from the gist of the present invention are intended to be included in the scope of the appended claims.

２００ａ 発光ダイオード光源モジュール
２００ｂ 別の発光ダイオード光源モジュール
２１０ アレイ式発光部材
２１２ 発光ダイオード
２２０ 発光部材
２２２ ストリップ式発光ダイオードアッセンブリ
２３０ ストリップ式導光構造体
２３１ 第１曲面
２３２ 第２曲面
２３３〜２３６ 導光幾何表面
２４０ 略Ｖ字形導光面
２４１〜２４２ 曲面
２５０ キャリア構造体
２７０ 放熱構造体
２９０ 反射板 200a Light emitting diode light source module 200b Another light emitting diode light source module 210 Array type light emitting member 212 Light emitting diode 220 Light emitting member 222 Strip type light emitting diode assembly 230 Strip type light guide structure 231 First curved surface 232 Second curved surface 233 to 236 Surface 240 substantially V-shaped light guide surface 241 to 242 curved surface 250 carrier structure 270 heat dissipation structure 290 reflector

Claims (5)

発光ダイオード光源モジュールであって、アレイ式発光部材とストリップ式導光構造体を備え、そのうち、前記アレイ式発光部材がアレイ式に排列した複数の正面方向に発光する発光ダイオード（ｌｉｇｈｔ ｅｍｉｔｔｉｎｇ ｄｉｏｄｅ、ＬＥＤ）光源を含み、前記ストリップ式導光構造体が前記アレイ式発光部材の両側に設置され、前記ストリップ式導光構造体がさらに第１曲面と第２曲面を含み、そのうち前記第１曲面と前記第２曲面がそれぞれ前記アレイ式発光部材の両側から前記アレイ式発光部材の中央箇所に向かって凹陥しており、かつ前記アレイ式発光部材の中央箇所上方で相互に連接され、そのうち、前記第１曲面と前記第２曲面が前記連接箇所において一定角度で前記アレイ式発光部材の正面方向の光軸のある平面と接し、前記正面方向の光軸の定義は発光ダイオードのある平面に垂直な方向であることを特徴とする、発光ダイオード光源モジュール。   A light-emitting diode light source module, comprising an array-type light-emitting member and a strip-type light guide structure, wherein the array-type light-emitting member emits light in a plurality of front directions arranged in an array type (light emitting diode, LED) ) Including a light source, the strip-type light guide structure is installed on both sides of the array-type light emitting member, and the strip-type light guide structure further includes a first curved surface and a second curved surface, of which the first curved surface and the Second curved surfaces are respectively recessed from both sides of the array type light emitting member toward the central portion of the array type light emitting member, and are connected to each other above the central portion of the array type light emitting member. The curved surface and the second curved surface are in contact with a plane having an optical axis in the front direction of the array-type light emitting member at a fixed angle at the connection location. Characterized in that the definition of the optical axis in the front direction is a direction perpendicular to the plane with a light-emitting diode, light emitting diode light source module. 発光ダイオード光源モジュールであって、発光部材とストリップ式導光構造体を備え、そのうち、前記発光部材が複数列のストリップ状に排列された正面方向に発光する発光ダイオードアッセンブリを含み、前記ストリップ式導光構造体が複数の略Ｖ字形導光面を含み、各前記略Ｖ字形導光面が２つの曲面から構成され、前記２つの曲面が前記ストリップ式発光ダイオードアッセンブリの中央上方箇所で相互に連接され、前記２つの曲面於前記連接箇所においてそれぞれ一定角度で前記ストリップ式発光ダイオードアッセンブリの正面方向の光軸がある平面と相互に接し、相隣する２つの前記略Ｖ字形導光面が、前記２つの相隣するストリップ式発光ダイオードアッセンブリが相互に連接する箇所がある平面と相互に交わることを特徴とする、発光ダイオード光源モジュール。   A light-emitting diode light source module, comprising: a light-emitting member and a strip-type light guide structure, wherein the light-emitting member includes a light-emitting diode assembly that emits light in a front direction arranged in a plurality of rows of strips. The optical structure includes a plurality of substantially V-shaped light guide surfaces, each of the approximately V-shaped light guide surfaces is composed of two curved surfaces, and the two curved surfaces are connected to each other at a central upper portion of the strip type light emitting diode assembly. The two substantially V-shaped light guide surfaces that are adjacent to each other on a plane having an optical axis in the front direction of the strip-type light emitting diode assembly at a fixed angle at the connection points in the two curved surfaces, Two adjacent strip-type light emitting diode assemblies intersect each other with a plane where there is a connection point. Emitting diode light source module. 請求項１及び２に記載の発光ダイオード光源モジュールであって、そのうち、前記ストリップ式導光構造体がさらに複数の導光幾何表面を含み、そのうち、前記複数の導光幾何表面が前記発光部材と前記ストリップ式導光構造体の最も外側の曲面にそれぞれ連接され、かつ前記複数の導光幾何表面がレンズまたは内面に反射材質をめっきした表面であり、そのうち、前記内面が前記導光幾何表面の前記発光ダイオード光源近くの表面であり、前記導光幾何表面が、半円曲面、直立平面、傾斜平面、曲面のいずれかまたは組み合わせであることを特徴とする、発光ダイオード光源モジュール。   3. The light-emitting diode light source module according to claim 1, wherein the strip-type light guide structure further includes a plurality of light guide geometric surfaces, of which the plurality of light guide geometric surfaces are the light emitting member. The plurality of light guide geometric surfaces are connected to the outermost curved surface of the strip-type light guide structure, and the plurality of light guide geometric surfaces are lenses or inner surfaces plated with a reflective material, of which the inner surface is the light guide geometric surface. The light-emitting diode light source module, wherein the light-emitting diode light source module is a surface near the light-emitting diode light source, and the light guide geometric surface is a semicircular curved surface, an upright plane, an inclined plane, or a curved surface. 請求項１及び２に記載の発光ダイオード光源モジュールであって、さらに前記ストリップ式導光構造体の一側または相対する両側に設置した反射板を含み、前記反射板が前記ストリップ式導光構造体の反射または屈折を経た後に形成される側面方向の光線を再度反射して前記ストリップ式発光ダイオードアッセンブリの正面方向の光軸に垂直または平行の方向にするために用いられることを特徴とする、発光ダイオード光源モジュール。   3. The light-emitting diode light source module according to claim 1, further comprising a reflective plate installed on one side or opposite sides of the strip-type light guide structure, wherein the reflective plate is the strip-type light guide structure. A light emitting device characterized in that it is used to re-reflect a light beam in a lateral direction formed after being reflected or refracted into a direction perpendicular to or parallel to an optical axis in a front direction of the strip type light emitting diode assembly. Diode light source module. 請求項１及び２に記載の発光ダイオード光源モジュールであって、さらにキャリア構造体と放熱構造体を含み、そのうち、前記キャリア構造体が前記発光部材と前記ストリップ式導光構造体の下方と両側に設置され、前記アレイ式発光部材と前記ストリップ式導光構造体を搭載かつ固定するために用いられ、前記放熱構造体が前記キャリア構造体の下方に設置され、かつ前記キャリア構造体と一体成形され、そのうち、前記放熱構造体が複数の放熱フィンを備え、かつ前記放熱フィンの開口方向が前記発光ダイオード光源の正面発光方向と反対の方向であることを特徴とする、発光ダイオード光源モジュール。   3. The light-emitting diode light source module according to claim 1, further comprising a carrier structure and a heat dissipation structure, wherein the carrier structure is provided below and on both sides of the light-emitting member and the strip-type light guide structure. Installed, used to mount and fix the array type light emitting member and the strip type light guide structure, the heat dissipation structure is installed below the carrier structure, and is integrally formed with the carrier structure The light emitting diode light source module is characterized in that the heat radiating structure includes a plurality of heat radiating fins, and the opening direction of the heat radiating fins is opposite to the front light emitting direction of the light emitting diode light source.
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